Light bulb



FIG. 1 is a front-top perspective view of a light bulb, showing my newdesign;

FIG. 2 is a bottom-rear perspective view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a left side view thereof; and

FIG. 8 is a right side view thereof.

FIG. 9 is a front-top perspective view of another embodiment of thelight bulb;

FIG. 10 is a bottom-rear perspective view thereof;

FIG. 11 is a bottom plan view thereof;

FIG. 12 is a top plan view thereof;

FIG. 13 is a front view thereof;

FIG. 14 is a rear view thereof;

FIG. 15 is a left side view thereof; and

FIG. 16 is a right side view thereof.

FIG. 17 is a front-top perspective view of another embodiment of thelight bulb;

FIG. 18 is a bottom-rear perspective view thereof;

FIG. 19 is a bottom plan view thereof;

FIG. 20 is a top plan view thereof;

FIG. 21 is a front view thereof;

FIG. 22 is a rear view thereof;

FIG. 23 is a left side view thereof; and

FIG. 24 is a right side view thereof.

FIG. 25 is a front-top perspective view of another embodiment of thelight bulb;

FIG. 26 is a bottom-rear perspective view thereof;

FIG. 27 is a bottom plan view thereof;

FIG. 28 is a top plan view thereof;

FIG. 29 is a front view thereof;

FIG. 30 is a rear view thereof;

FIG. 31 is a left side view thereof; and,

FIG. 32 is a right side view thereof.

The dashed lines in the drawing views depict portions of the design thatform no part of the claim.

CLAIM The ornamental design for a light bulb, as shown and described.